mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-24 18:43:37 +00:00
e4c58b72be
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2722 a592a061-630c-0410-9148-cb99ea01b6c8
651 lines
12 KiB
C
651 lines
12 KiB
C
#ifdef __GNUG__
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#pragma implementation
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#endif
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#include <vector>
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#include "math_matrixinset.h"
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#include "support.h"
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#include "debug.h"
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#include "support/LOstream.h"
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#include "Painter.h"
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#include "LaTeXFeatures.h"
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namespace {
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int getCols(MathInsetTypes type)
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{
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switch (type) {
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case LM_OT_EQNARRAY:
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return 3;
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case LM_OT_ALIGN:
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case LM_OT_ALIGNAT:
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case LM_OT_XALIGNAT:
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case LM_OT_XXALIGNAT:
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return 2;
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default:;
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}
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return 1;
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}
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// returns position of first relation operator in the array
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// used for "intelligent splitting"
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int firstRelOp(MathArray const & array)
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{
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for (MathArray::const_iterator it = array.begin(); it != array.end(); ++it)
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if (it->nucleus()->isRelOp())
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return it - array.begin();
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return array.size();
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}
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char const * star(bool numbered)
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{
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return numbered ? "" : "*";
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}
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}
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MathMatrixInset::MathMatrixInset()
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: MathGridInset(1, 1), objtype_(LM_OT_SIMPLE), nonum_(1), label_(1)
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{
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setDefaults();
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}
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MathMatrixInset::MathMatrixInset(MathInsetTypes t)
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: MathGridInset(getCols(t), 1), objtype_(t), nonum_(1), label_(1)
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{
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setDefaults();
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}
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MathMatrixInset::MathMatrixInset(MathInsetTypes t, int cols)
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: MathGridInset(cols, 1), objtype_(t), nonum_(1), label_(1)
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{
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setDefaults();
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}
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MathInset * MathMatrixInset::clone() const
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{
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return new MathMatrixInset(*this);
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}
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char MathMatrixInset::defaultColAlign(int col)
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{
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switch (getType()) {
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case LM_OT_ALIGN:
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case LM_OT_ALIGNAT:
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case LM_OT_XALIGNAT:
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case LM_OT_XXALIGNAT:
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return "rl"[col & 1];
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case LM_OT_EQNARRAY:
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return "rcl"[col];
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default:;
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}
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return 'c';
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}
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int MathMatrixInset::defaultColSpace(int col)
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{
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switch (getType()) {
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case LM_OT_ALIGN:
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case LM_OT_ALIGNAT:
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return 0;
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case LM_OT_XALIGNAT:
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return (col & 1) ? 20 : 0;
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case LM_OT_XXALIGNAT:
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return (col & 1) ? 40 : 0;
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default:;
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}
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return 10;
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}
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void MathMatrixInset::metrics(MathStyles) const
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{
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size_ = (getType() == LM_OT_SIMPLE) ? LM_ST_TEXT : LM_ST_DISPLAY;
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// let the cells adjust themselves
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MathGridInset::metrics(size_);
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if (display()) {
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ascent_ += 12;
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descent_ += 12;
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}
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if (numberedType()) {
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int l = 0;
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for (int row = 0; row < nrows(); ++row)
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l = std::max(l, mathed_string_width(LM_TC_BF, size(), nicelabel(row)));
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if (l)
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width_ += 30 + l;
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}
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// make it at least as high as the current font
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int asc = 0;
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int des = 0;
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math_font_max_dim(LM_TC_TEXTRM, LM_ST_TEXT, asc, des);
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ascent_ = std::max(ascent_, asc);
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descent_ = std::max(descent_, des);
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}
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void MathMatrixInset::draw(Painter & pain, int x, int y) const
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{
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xo(x);
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yo(y);
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MathGridInset::draw(pain, x, y);
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if (numberedType()) {
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int xx = x + colinfo_.back().offset_ + colinfo_.back().width_ + 20;
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for (int row = 0; row < nrows(); ++row) {
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int yy = y + rowinfo_[row].offset_;
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drawStr(pain, LM_TC_BF, size(), xx, yy, nicelabel(row));
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}
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}
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}
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void MathMatrixInset::write(std::ostream & os, bool fragile) const
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{
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header_write(os);
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bool n = numberedType();
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for (int row = 0; row < nrows(); ++row) {
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for (int col = 0; col < ncols(); ++col) {
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cell(index(row, col)).write(os, fragile);
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os << eocString(col);
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}
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if (n) {
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if (!label_[row].empty())
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os << "\\label{" << label_[row] << "}";
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if (nonum_[row])
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os << "\\nonumber ";
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}
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os << eolString(row);
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}
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footer_write(os);
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}
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string MathMatrixInset::label(int row) const
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{
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return label_[row];
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}
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void MathMatrixInset::label(int row, string const & label)
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{
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label_[row] = label;
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}
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void MathMatrixInset::numbered(int row, bool num)
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{
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nonum_[row] = !num;
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}
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bool MathMatrixInset::numbered(int row) const
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{
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return !nonum_[row];
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}
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bool MathMatrixInset::ams() const
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{
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return true;
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}
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bool MathMatrixInset::display() const
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{
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return getType() != LM_OT_SIMPLE;
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}
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std::vector<string> const MathMatrixInset::getLabelList() const
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{
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std::vector<string> res;
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for (int row = 0; row < nrows(); ++row)
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if (!label_[row].empty() && nonum_[row] != 1)
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res.push_back(label_[row]);
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return res;
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}
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bool MathMatrixInset::numberedType() const
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{
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if (getType() == LM_OT_SIMPLE || getType() == LM_OT_XXALIGNAT)
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return false;
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for (int row = 0; row < nrows(); ++row)
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if (!nonum_[row])
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return true;
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return false;
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}
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void MathMatrixInset::validate(LaTeXFeatures & features) const
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{
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features.amsstyle = ams();
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// Validation is necessary only if not using AMS math.
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// To be safe, we will always run mathedvalidate.
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//if (features.amsstyle)
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// return;
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features.boldsymbol = true;
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//features.binom = true;
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MathNestInset::validate(features);
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}
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void MathMatrixInset::header_write(std::ostream & os) const
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{
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bool n = numberedType();
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switch (getType()) {
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case LM_OT_SIMPLE:
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os << '$';
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if (cell(0).empty())
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os << ' ';
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break;
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case LM_OT_EQUATION:
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if (n)
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os << "\\begin{equation" << star(n) << "}\n";
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else
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os << "\\[\n";
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break;
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case LM_OT_EQNARRAY:
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os << "\\begin{eqnarray" << star(n) << "}\n";
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break;
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case LM_OT_ALIGN:
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os << "\\begin{align" << star(n) << "}";
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break;
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case LM_OT_ALIGNAT:
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os << "\\begin{alignat" << star(n) << "}" << "{" << ncols()/2 << "}\n";
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break;
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case LM_OT_XALIGNAT:
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os << "\\begin{xalignat" << star(n) << "}" << "{" << ncols()/2 << "}\n";
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break;
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case LM_OT_XXALIGNAT:
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os << "\\begin{xxalignat}" << "{" << ncols()/2 << "}\n";
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break;
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case LM_OT_MULTLINE:
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os << "\\begin{multline}\n";
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break;
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case LM_OT_GATHER:
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os << "\\begin{gather}\n";
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break;
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default:
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os << "\\begin{unknown" << star(n) << "}";
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}
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}
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void MathMatrixInset::footer_write(std::ostream & os) const
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{
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bool n = numberedType();
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switch (getType()) {
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case LM_OT_SIMPLE:
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os << '$';
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break;
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case LM_OT_EQUATION:
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if (n)
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os << "\\end{equation" << star(n) << "}\n";
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else
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os << "\\]\n";
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break;
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case LM_OT_EQNARRAY:
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os << "\\end{eqnarray" << star(n) << "}\n";
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break;
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case LM_OT_ALIGN:
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os << "\\end{align" << star(n) << "}\n";
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break;
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case LM_OT_ALIGNAT:
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os << "\\end{alignat" << star(n) << "}\n";
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break;
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case LM_OT_XALIGNAT:
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os << "\\end{xalignat" << star(n) << "}\n";
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break;
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case LM_OT_XXALIGNAT:
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os << "\\end{xxalignat}\n";
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break;
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case LM_OT_MULTLINE:
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os << "\\end{multline}\n";
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break;
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case LM_OT_GATHER:
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os << "\\end{gather}\n";
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break;
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default:
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os << "\\end{unknown" << star(n) << "}";
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}
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}
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void MathMatrixInset::addRow(int row)
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{
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nonum_.insert(nonum_.begin() + row + 1, !numberedType());
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label_.insert(label_.begin() + row + 1, string());
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MathGridInset::addRow(row);
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}
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void MathMatrixInset::appendRow()
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{
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nonum_.push_back(!numberedType());
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label_.push_back(string());
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MathGridInset::appendRow();
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}
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void MathMatrixInset::delRow(int row)
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{
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MathGridInset::delRow(row);
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nonum_.erase(nonum_.begin() + row);
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label_.erase(label_.begin() + row);
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}
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void MathMatrixInset::addCol(int col)
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{
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switch (getType()) {
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case LM_OT_EQUATION:
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mutate(LM_OT_EQNARRAY);
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break;
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case LM_OT_EQNARRAY:
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mutate(LM_OT_ALIGN);
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addCol(col);
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break;
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case LM_OT_ALIGN:
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mutate(LM_OT_ALIGNAT);
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addCol(col);
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break;
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case LM_OT_ALIGNAT:
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case LM_OT_XALIGNAT:
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case LM_OT_XXALIGNAT:
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MathGridInset::addCol(col);
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MathGridInset::addCol(col + 1);
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break;
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default:
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break;
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}
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}
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void MathMatrixInset::delCol(int col)
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{
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switch (getType()) {
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case LM_OT_ALIGNAT:
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case LM_OT_XALIGNAT:
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case LM_OT_XXALIGNAT:
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MathGridInset::delCol(col + 1);
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MathGridInset::delCol(col);
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break;
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default:
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break;
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}
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}
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string MathMatrixInset::nicelabel(int row) const
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{
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if (nonum_[row])
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return string();
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if (label_[row].empty())
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return string("(#)");
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return "(" + label_[row] + ")";
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}
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namespace {
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MathInsetTypes typecode(string const & s)
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{
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if (s == "equation")
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return LM_OT_EQUATION;
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if (s == "display")
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return LM_OT_EQUATION;
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if (s == "eqnarray")
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return LM_OT_EQNARRAY;
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if (s == "align")
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return LM_OT_ALIGN;
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if (s == "alignat")
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return LM_OT_ALIGN;
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if (s == "xalignat")
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return LM_OT_XALIGNAT;
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if (s == "xxalignat")
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return LM_OT_XXALIGNAT;
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if (s == "multline")
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return LM_OT_MULTLINE;
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if (s == "gather")
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return LM_OT_GATHER;
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return LM_OT_SIMPLE;
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}
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}
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void MathMatrixInset::mutate(string const & newtype)
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{
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if (newtype == "dump") {
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dump();
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return;
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}
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//lyxerr << "mutating from '" << getType() << "' to '" << newtype << "'\n";
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mutate(typecode(newtype));
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}
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void MathMatrixInset::glueall()
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{
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MathArray ar;
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for (int i = 0; i < nargs(); ++i)
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ar.push_back(cell(i));
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*this = MathMatrixInset(LM_OT_SIMPLE);
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cell(0) = ar;
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}
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MathInsetTypes MathMatrixInset::getType() const
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{
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return objtype_;
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}
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void MathMatrixInset::setType(MathInsetTypes t)
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{
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objtype_ = t;
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setDefaults();
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}
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void MathMatrixInset::mutate(MathInsetTypes newtype)
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{
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//lyxerr << "mutating from '" << getType() << "' to '" << newtype << "'\n";
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if (newtype == getType())
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return;
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switch (getType()) {
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case LM_OT_SIMPLE:
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setType(LM_OT_EQUATION);
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numbered(0, false);
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mutate(newtype);
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break;
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case LM_OT_EQUATION:
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switch (newtype) {
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case LM_OT_SIMPLE:
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setType(LM_OT_SIMPLE);
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break;
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case LM_OT_ALIGN:
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case LM_OT_ALIGNAT:
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case LM_OT_XALIGNAT:
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case LM_OT_XXALIGNAT: {
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MathGridInset::addCol(1);
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// split it "nicely"
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int pos = firstRelOp(cell(0));
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cell(1) = cell(0);
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cell(0).erase(pos, cell(0).size());
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cell(1).erase(0, pos);
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setType(LM_OT_ALIGN);
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mutate(newtype);
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break;
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}
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case LM_OT_EQNARRAY:
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default:
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MathGridInset::addCol(1);
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MathGridInset::addCol(1);
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// split it "nicely" on the firest relop
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int pos = firstRelOp(cell(0));
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cell(1) = cell(0);
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cell(0).erase(pos, cell(0).size());
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cell(1).erase(0, pos);
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if (cell(1).size()) {
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cell(2) = cell(1);
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cell(1).erase(1, cell(1).size());
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cell(2).erase(0);
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}
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setType(LM_OT_EQNARRAY);
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mutate(newtype);
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break;
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}
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break;
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case LM_OT_EQNARRAY:
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switch (newtype) {
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case LM_OT_SIMPLE:
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case LM_OT_EQUATION: {
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// set correct (no)numbering
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bool allnonum = true;
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for (int r = 0; r < nrows(); ++r) {
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if (!nonum_[r])
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allnonum = false;
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}
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// set first non-empty label
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string label;
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for (int r = 0; r < nrows(); ++r) {
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if (!label_[r].empty()) {
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label = label_[r];
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break;
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}
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}
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glueall();
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nonum_[0] = allnonum;
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label_[0] = label;
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mutate(newtype);
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break;
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}
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case LM_OT_ALIGN:
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case LM_OT_ALIGNAT:
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case LM_OT_XALIGNAT:
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case LM_OT_XXALIGNAT:
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default: {
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for (int row = 0; row < nrows(); ++row) {
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int c = 3 * row + 1;
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cell(c).push_back(cell(c + 1));
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}
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MathGridInset::delCol(2);
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setType(LM_OT_ALIGN);
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mutate(newtype);
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break;
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}
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}
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break;
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case LM_OT_ALIGN:
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switch (newtype) {
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case LM_OT_SIMPLE:
|
|
case LM_OT_EQUATION:
|
|
case LM_OT_EQNARRAY:
|
|
MathGridInset::addCol(1);
|
|
setType(LM_OT_EQNARRAY);
|
|
mutate(newtype);
|
|
break;
|
|
|
|
case LM_OT_ALIGNAT:
|
|
case LM_OT_XALIGNAT:
|
|
case LM_OT_XXALIGNAT:
|
|
setType(newtype);
|
|
break;
|
|
|
|
default:
|
|
lyxerr << "mutation from '" << getType()
|
|
<< "' to '" << newtype << "' not implemented\n";
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case LM_OT_MULTLINE:
|
|
switch (newtype) {
|
|
case LM_OT_GATHER:
|
|
setType(LM_OT_GATHER);
|
|
break;
|
|
default:
|
|
lyxerr << "mutation from '" << getType()
|
|
<< "' to '" << newtype << "' not implemented\n";
|
|
break;
|
|
}
|
|
|
|
case LM_OT_GATHER:
|
|
switch (newtype) {
|
|
case LM_OT_MULTLINE:
|
|
setType(LM_OT_MULTLINE);
|
|
break;
|
|
default:
|
|
lyxerr << "mutation from '" << getType()
|
|
<< "' to '" << newtype << "' not implemented\n";
|
|
break;
|
|
}
|
|
|
|
default:
|
|
lyxerr << "mutation from '" << getType()
|
|
<< "' to '" << newtype << "' not implemented\n";
|
|
}
|
|
}
|